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In diesem Artikel erfahren Sie, wie die Syntax zum Erstellen einer CHECK-Einschränkung in SQL lautet und wie Sie diese effektiv einsetzen. Selected by the community from 7 contributions.
Check Constraints are Supported in all Major DBMSs Check constraints are supported in all of the major DBMS products, including DB2, Oracle, and SQL Server. But they are too-often ignored and not ...
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